cc: Rename TileTaskClient interface to RasterBufferProvider.

cc/raster/one_copy_tile_task_worker_pool.h

Index: cc/raster/one_copy_tile_task_worker_pool.h
diff --git a/cc/raster/one_copy_tile_task_worker_pool.h b/cc/raster/one_copy_tile_task_worker_pool.h
index e362bdd0eaf408fb7ca6f64bc58e77852990f207..5d6162d64de108fe43146a795ad757de4e405c34 100644
--- a/cc/raster/one_copy_tile_task_worker_pool.h
+++ b/cc/raster/one_copy_tile_task_worker_pool.h
@@ -20,7 +20,7 @@ class ResourcePool;
 
 class CC_EXPORT OneCopyTileTaskWorkerPool : public TileTaskWorkerPool,
                                             public TileTaskRunner,
-                                            public TileTaskClient {
+                                            public RasterBufferProvider {
  public:
   ~OneCopyTileTaskWorkerPool() override;
 
@@ -43,8 +43,9 @@ class CC_EXPORT OneCopyTileTaskWorkerPool : public TileTaskWorkerPool,
   void CheckForCompletedTasks() override;
   ResourceFormat GetResourceFormat(bool must_support_alpha) const override;
   bool GetResourceRequiresSwizzle(bool must_support_alpha) const override;
+  RasterBufferProvider* AsRasterBufferProvider() override;
 
-  // Overridden from TileTaskClient:
+  // Overridden from RasterBufferProvider:
   std::unique_ptr<RasterBuffer> AcquireBufferForRaster(
       const Resource* resource,
       uint64_t resource_content_id,